Maintenance and Service
Diesel engine
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7.1.6 SCR exhaust after-treatment with AdBlue
®
Applicable only to RT6c, 515 kW / 700 hp
The machine is equipped with an SCR exhaust after-treatment system. In any case,
comply with the notes on handling AdBlue
®
(See Page 547).
(1) AdBlue® filler neck
(2) AdBlue® tank
(3) AdBlue® pump module
ATTENTION
Danger of machine damage!
Even filling in small amounts of other liquids leads to great damage to the SCR
exhaust after-treatment system. No accommodation will be granted for such damage.
– Utmost cleanliness must be ensured when filling up AdBlue®.
– The AdBlue® tank may be filled with AdBlue® only, do not fill in water or other
liquids. A sensor in AdBlue® tank permanently measures the quality (urea con-
centration). If the quality is not sufficient, the diesel engine reduces its output, the
machine is no longer ready for operation.
7.1.6.1 Exchanging the AdBlue
®
filter insert
The AdBlue® filter cartridge must be replaced every 2000 operating hours, at least
every 2 years.
WARNING
Danger from AdBlue®!
Burning and scalding hazard when working on the hot exhaust system and the
AdBlue® system. Hazard of burns after skin or eye contact with AdBlue® liquid. Haz-
ard of poisoning by inhalation of AdBlue® vapours or swallowing AdBlue® liquid.
Only start work on the AdBlue® system when the system has cooled down and the
pressure in the system has been reduced.
Fill AdBlue® in suitable vessels only and use suitable lines only.